The Invisible Book of Invisibility was a textbook about the power of invisibility. The book its self is completely invisible, making it difficult to find. copies of the book are located in Flourish and Blotts.

History

"I'm never stocking them again, never! It's been bedlam! I thought we'd seen the worst when we bought two hundred copies of the Invisible Book of Invisi­bility — cost a fortune, and we never found them."

The manager of Flourish and Blotts told Harry Potter in 1993, at some point in the past, Flourish and Blotts ordered a stock of the book, only to have all two-hundred of them disappear, and no one was ever able to find them, costing the store a fortune. Only the stock of The Monster Book of Monsters was considered more troublesome. The Invisible Book of Invisibility most probably teaches invisibility spells as well as theory.